"Their Royal Highnesses The Duke and Duchess of Sussex are very pleased to announce that The Duchess of Sussex is expecting a baby in the Spring of 2019," it read.

Meghan Markle at Admiralty House on Tuesday morning. (AAP)

Jordan says he hopes to meet the newlyweds and soon-to-be parents during their Opera House visit today.

This isn't the young royal fan's first time meeting a royal, either.

"I met Prince Charles when I was younger," he revealed.

And he's even planning on taking Friday off to see the Duke and Duchess at Bondi Beach where they are due to meet local surfing community group One Wave, which raises awareness around youth mental health.